Seth dreams of being a great sorcerer. He wants to be powerful and defeat the Némésis, monsters that come down from the sky. But his eagerness constantly gets him into trouble. He can’t seem to avoid angering the villagers and even his guardian, Alma. One day, an enormous Némésis really attacks the village! Determined to save the world, Seth embarks on a journey in search for the “Radiant,” the legendary lair of the Némésis. Making new friends, fighting tough enemies, and confronting hardships, Seth’s adventure begins!
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(Source: Crunchyroll)

[Blog](http://koyap.jugem.jp/) | [Agency Profile](https://tsf-official.com/talent/takehito-koyasu/)

Koyasu is the most prolific voice actor in the industry, having been credited for over 700 roles as of April 2022.

Growing up, Koyasu skipped out on going to school to watch movies at home because he wanted to become an actor. It wasn’t until later that he became interested in voice acting after having seen [Galaxy Express 999](https://anilist.co/anime/1491/). After graduation he entered a voice acting school. In 1988, he made his voice acting debut, and got his first regular role a year later voicing [Gai](https://anilist.co/character/13374/) in [Tenkuu Senki Shurato](https://anilist.co/anime/2113/).

Though having voiced more characters in the medium than anyone else, he is probably most known for his role as [Dio Brando](https://anilist.co/character/4004/) in [JoJo’s Bizarre Adventure](https://anilist.co/anime/14719/). He has stated that he likes playing villainous characters.

Koyasu has taken over many of [Kaneto Shiozawa](https://anilist.co/staff/95424/)’s roles after Shiozawa’s passing.

Father of [Kouki Koyasu](https://anilist.co/staff/219102/).

__Non-Anime Roles:__

- Olivert Reise Arnor - The Legend of Heroes Series (VG)
- More - Metaphor: ReFantazio (VG)
- Mustang - Goddess of Victory: Nikke (VG)

Roberto Mendiola is a Mexican voice actor. 

A Brazilian actor, comedian, voice actor, illusionist, copywriter, broadcaster and writer. He is the son of comedian Chico Anysio and actress and star Rose Rondelli.

Seth, Mélie, and Doc encounter new allies in Caislean Merlin—the stronghold of the Knights-sorcerers, a group that is also after the monster called Némésis. But Caislean Merlin is plagued by the Spectrum Némésis, mysterious beings that are rumored to be harbingers of catastrophe. Will Seth be able to discover the secret behind this new form of Némésis? His adventure accelerates with the addition of Ocoho, a girl who hopes to become a Knight-sorcerer, a farewell with Mélie and Doc, and a clash with the malicious Merchant-Barons! And all this with the Inquisition still at his heels!
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(Source: Crunchyroll)

Grimm